// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//


#include <gtest/gtest.h>
#include <pollux/common/base/exceptions.h>
#include <pollux/common/serialization/registry.h>

using namespace ::kumo::pollux;

namespace {
TEST(Registry, SmartPointerFactoryWithNoArgument) {
  Registry<size_t, std::unique_ptr<size_t>()> registry;

  const size_t key = 0;
  const size_t value = 1;

  EXPECT_FALSE(registry.Has(key));
  EXPECT_EQ(registry.Create(key), nullptr);

  registry.Register(0, [value]() -> std::unique_ptr<size_t> {
    return std::make_unique<size_t>(value);
  });

  EXPECT_TRUE(registry.Has(key));
  EXPECT_EQ(*registry.Create(key), value);
}

TEST(Registry, ValueFactoryWithArguments) {
  Registry<size_t, size_t(size_t, size_t)> registry;

  const size_t key = 0;

  EXPECT_FALSE(registry.Has(key));
  EXPECT_THROW(registry.Create(key, 1, 1), kumo::pollux::PolluxUserError);

  registry.Register(0, [](size_t l, size_t r) -> size_t { return l + r; });

  EXPECT_TRUE(registry.Has(key));
  EXPECT_EQ(registry.Create(key, 1, 1), 2);
}
} // namespace
